From owner-freebsd-hardware  Thu Oct  4  8: 6:40 2001
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From: "Simon" <simon@optinet.com>
To: "freebsd-hardware@freebsd.org" <freebsd-hardware@freebsd.org>,
	"Magdalinin Kirill" <bsdforumen@hotmail.com>
Cc: "questions@freebsd.org" <questions@freebsd.org>
Date: Thu, 04 Oct 2001 11:06:17 -0400
Reply-To: "Simon" <simon@optinet.com>
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Subject: Re: turning off write cache on SCSI drive
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What controller are you using? most allow you to do this
from their BIOS. Otherwise, as you said, you can use
camcontrol. Search the mail archives for write cache off,
you will find posting that give exact command.

-Simon

On Thu, 04 Oct 2001 19:01:21 +0400, Magdalinin Kirill wrote:

>Hello,
>
>some mail posts on softupdates says that turning off write cache is 
>prerequisite for it.
>
>How can I accomplish it on freebsd? As far as I know
>there is camcontrol utility, but it's usage is quite
>difficult for me to understand.
>
>I stuck the drive into another box and turned off
>write cache using raid controler bios setup, but
>it's uclear if this setting is still active.
>
>The other way I can think of it is turning it off
>under Win2K. Yet how can I check write cache status
>under FreeBSD?
>
>thanks,
>
>Kirill Magdalinin
>bsdforumen@hotmail.com
>
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